| ITF W40香港 | 08/24 04:40 | 26 | [303] Mananchaya Sawangkaew v 松田彌樹 [297] | 7-5,6-3 | |
| ITF W40香港 | 08/22 02:00 | 25 | [371] 李亞 v Mananchaya Sawangkaew [303] | 2-6,0-6 | |
| ITF W25那空是貪瑪叻 | 07/09 03:00 | 29 | [394] 薩哈賈•亞瑪拉帕利 v Mananchaya Sawangkaew [370] | 4-6,0-6 | |
| ITF W25那空是貪瑪叻 | 07/08 02:00 | 28 | [473] Luksika庫姆淳 v Mananchaya Sawangkaew [370] | 6-3,4-6,0-6 | |
| ITF W25那空是貪瑪叻 | 07/07 02:00 | 27 | Mananchaya Sawangkaew v Anchisa Chanta | 6-2,6-2 | |
| ITF W25那空是貪瑪叻 | 07/06 03:00 | 26 | [370] Mananchaya Sawangkaew v 凱拉•麥克菲 [476] | 6-2,6-4 | |
| ITF W25那空是貪瑪叻 | 07/04 02:00 | 25 | Mananchaya Sawangkaew v Miho Kuramochi | 6-4,6-1 | |
| ITF W25大邱 | 06/07 01:00 | 25 | [406] Mananchaya Sawangkaew v 朴昭炫 [452] | 6-4,1-6,4-6 | |
| ITF W25昌原 | 05/31 01:00 | 25 | [484] Yeonwoo Ku v Mananchaya Sawangkaew [406] | 6-1,6-3 | |
| ITF W25高陽 | 05/28 09:00 | 29 | [356] Hanna Chang v Mananchaya Sawangkaew [406] | 6-2,6-4 | |
| ITF W25高陽 | 05/27 07:40 | 28 | 郭涵煜 v Mananchaya Sawangkaew | 2-6,4-6 | |
| ITF W25高陽 | 05/26 01:55 | 27 | [400] Mananchaya Sawangkaew v 利澤特•卡布雷拉 [239] | 2-6,6-3,6-3 | |
| ITF W25高陽 | 05/25 01:00 | 26 | [395] 王康怡 v Mananchaya Sawangkaew [400] | 6-7,6-3,4-6 | |
| ITF W25高陽 | 05/24 02:55 | 25 | Mananchaya Sawangkaew v Haram Kim | 6-1,6-1 | |
| 比利•簡•金盃 | 04/14 04:55 | 1 | 蔣欣玗 v Mananchaya Sawangkaew | 6-3,0-6,6-1 | |
| 比利•簡•金盃 | 04/13 06:35 | 2 | [421] Yeonwoo Ku v Mananchaya Sawangkaew [394] | 6-7,6-1,2-6 | |
| 比利•簡•金盃 | 04/12 06:15 | 2 | 內島萌夏 v Mananchaya Sawangkaew | 4-6,7-5,5-7 | |
| ITF W25雅加達 | 03/30 06:25 | 26 | [421] Mananchaya Sawangkaew v 白卓軒 [301] | 1-6,0-6 | |
| ITF W25雅加達 | 03/29 05:50 | 25 | [239] 瓦萊裏•薩維內赫 v Mananchaya Sawangkaew [421] | 1-6,2-6 | |
| ITF W25雅加達 | 03/28 04:45 | 44 | Mananchaya Sawangkaew v Mio Mushika | 6-3,6-3 | |
| ITF W25雅加達 | 03/27 06:20 | 44 | Mananchaya Sawangkaew v Mao Mushika | 6-4,6-1 | |
| ITF W25雅加達 | 03/24 02:00 | 27 | [421] Mananchaya Sawangkaew v 阿納斯塔西婭•扎哈羅娃 [214] | 2-6,6-7 | |
| ITF W25雅加達 | 03/23 02:00 | 26 | [421] Mananchaya Sawangkaew v 高馨妤 [330] | 6-2,6-2 | |
| ITF W25雅加達 | 03/22 03:35 | 25 | [297] Arina 羅蒂諾娃 v Mananchaya Sawangkaew [421] | 6-7,3-6 | |
| ITF W25雅加達 | 03/21 04:10 | 19 | Mananchaya Sawangkaew v 川岸七菜 | 6-3,6-0 | |
| ITF W25雅加達 | 03/20 03:00 | 44 | Mananchaya Sawangkaew v Sunam Jeong | 6-1,6-2 | |
| ITF W40邦加羅爾 | 03/09 08:30 | 26 | [432] Mananchaya Sawangkaew v 達利拉•紮庫帕維奇 [243] | 4-6,6-4,4-6 | |
| ITF W40邦加羅爾 | 03/08 04:25 | 25 | [308] 土居美咲 v Mananchaya Sawangkaew [432] | 3-6,3-6 | |
| ITF W25班加羅爾 | 03/01 10:50 | 25 | [291] 葉卡捷琳娜•雷恩戈爾德 v Mananchaya Sawangkaew [431] | 4-6,6-2,6-2 | |
| ITF W40暖武里 | 01/15 03:00 | 29 | [428] Mananchaya Sawangkaew v 蘭拉娜•塔拉魯迪 [416] | 6-2,1-6,0-6 |
Mananchaya Sawangkaew (Thai: มนัญชญา สว่างแก้ว; born 10 July 2002) is a tennis player from Thailand.
She has a career-high singles ranking of 247 by the Women's Tennis Association (WTA), achieved on 4 December 2023. Sawangkaew has won two singles titles and one doubles title on the ITF Women's Circuit.
On the ITF Junior Circuit, she achieved a career-high combined ranking of 14, on 28 January 2019. She reached the quarterfinals of the girls' singles draw at the 2019 Australian Open.
Sawangkaew made her debut for Thailand Fed Cup team in 2019.